1323322201 has 2 divisors, whose sum is σ = 1323322202. Its totient is φ = 1323322200.

The previous prime is 1323322139. The next prime is 1323322213. The reversal of 1323322201 is 1022233231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825987600 + 497334601 = 28740^2 + 22301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323322201 - 2¹⁹ = 1322797913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1323322261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661661100 + 661661101.

It is an arithmetic number, because the mean of its divisors is an integer number (661661101).

Almost surely, 2^1323322201 is an apocalyptic number.

It is an amenable number.

1323322201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323322201 is an equidigital number, since it uses as much as digits as its factorization.

1323322201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1323322201 is about 36377.4958044118. The cubic root of 1323322201 is about 1097.8808238352.

Adding to 1323322201 its reverse (1022233231), we get a palindrome (2345555432).

The spelling of 1323322201 in words is "one billion, three hundred twenty-three million, three hundred twenty-two thousand, two hundred one".